tree 9dc3fdc57bf2b963de7c02aaf769996433c78b35
parent 695138ca8405779c2b7756cc31d887aa54f56bb8
author Yingwei Zheng <dtcxzyw2333@gmail.com> 1694889506 +0800
committer Yingwei Zheng <dtcxzyw2333@gmail.com> 1694890569 +0800
gpgsig -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCgAdFiEE6Ktwo+9MKSni7xJcwFUn9CxZZk8FAmUF+kkACgkQwFUn9CxZ
 Zk/dihAAkp5ce6weB2YQsswvRySvXtYm7fmZUMdFrLFGkxigk2bpcY90OMzkzqWW
 vhr+ZQwNb4RcwASculqHaQ+WGs4Bc9Z3b+ooa3kDBbb5RUbAW12pKNnkXbxDBG1+
 VH1AxyTsjzV1VKRUKrnIgVE27iyrwnTeQdrvY46WyaVjj6CpcD32MPHbE17xdChv
 0zDshN0nai5SdVhHpgdZbg84cdXXLfoYU0jIQh6TTVufLpQNoCxH5bkrnIjq7ndh
 cDYON6C1M+Jt0Hw3ly3g/11K4vzogoddE4uMVbKNOBM5zZEv8qd5zjVbsrI5FxZT
 D/AbV6yZLOSMGfVNLcULHJQYxZe2iBWJ6cNXK5FbRfnV0B3a2PCJNLEg3f3HORDd
 F1BjsYbvHJYdz+SDo+RQLgJWzk7p+gZiRXhEhcEEDGfgfNe8FgzT7ad06uR5Od9y
 9V9f3C0P/kRiQa+/KX46TE5luXoBoLUvTw0GxfVT193Roz6zeZmCmAS6D49cKeSv
 EtGe+stK1JRTJzdGo8RM+tbrvM2mMQuW9JdARtYMUHl6ESIVituIDLMhGohMCLG+
 rdeWm8gkcP2wT+OJmYOq7xT3qPZwAJQ2By1ZUiX0J9oS16o4qop1AMQf17EzepXM
 4FfvpoFBl3MnFi0BihycnJzmXN8X2vjf4xclV3bwOEItYwNlpws=
 =+7Er
 -----END PGP SIGNATURE-----

[SDAG][RISCV] Avoid expanding is-power-of-2 pattern on riscv32/64 with zbb

This patch adjusts the legality check for riscv to use `cpop/cpopw` since `isOperationLegal(ISD::CTPOP, MVT::i32)` returns false on rv64gc_zbb.
Clang vs gcc: https://godbolt.org/z/rc3s4hjPh

Reviewed By: craig.topper

Differential Revision: https://reviews.llvm.org/D156390